Beyond our solar system

1.1 Asteroids: Lumps of metallic rock with irregular shapes.

1.2 Comet: Masses of ice, rock, dust and frozen gases.

1.3 Galaxy: Mixture of gas, dust and a vast number of stars held together by gravitational forces. Can be spiral, round, elliptical or irregular. Can be composed of billion stars.

1.4 Meteorite: Small pieces of rock which orbit the sun.

1.5 Moon: Natural satellites which orbit a bigger object in space.

1.6 Satellite: Manmade semi-independent computer controlled space ship.

1.7 Star: A ball of hot glowing gas.

2.1 Comets2.2 Meteorite2.3 Stars2.4 Planets2.5 Milky way galaxy

3. Galaxies, stars, planets, moons, asteroids, meteorites and comets.

1. Optical telescope, Radio telescope and Space telescope.

2. Away from interference from electromagnetic radiation.

3.1 Hertebeeshoek Obervatory3.2 MeerKAT in Carnarvon, Northern Cape3.3 SALT

4. Southern African Large Telescope

5.1 Square Kilometre Array. It is a radio telescope which collects information over an area of one square kilometre. This SKA will contain 3 000 antennas.

5.2 In the Northern Cape.5.3 Construction start in 2016 and will be completed in 2022.5.4 Will be built at Carnarvon in Northern Cape. Named the MeerKAT

(Karoo Array Telescope). It will contain 80 dishes.